X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7236b52536dbdf823a94fef2a07536f548ddcc21..59c3feb27d1b34145342c079833725efc5dac5c5:/src/xbt/xbt_os_time.c diff --git a/src/xbt/xbt_os_time.c b/src/xbt/xbt_os_time.c index bcdf8adfff..1aa4faf49c 100644 --- a/src/xbt/xbt_os_time.c +++ b/src/xbt/xbt_os_time.c @@ -4,7 +4,7 @@ /* no system header should be loaded out of this file so that we have only */ /* one file to check when porting to another OS */ -/* Copyright (c) 2004 Martin Quinson. All rights reserved. */ +/* Copyright (c) 2004-2007 The SimGrid team. All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it * under the terms of the license (GNU LGPL) which comes with this package. */ @@ -18,58 +18,41 @@ #ifdef WIN32 #include -#include +#endif -int -gettimeofday(struct timeval *tv, struct timezone *tz) -{ - - #if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) +double xbt_os_time(void) { +#ifdef HAVE_GETTIMEOFDAY + struct timeval tv; + gettimeofday(&tv, NULL); +#elif defined(WIN32) + struct timeval tv; +# if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) struct _timeb tm; - #else + + _ftime (&tm); + + tv.tv_sec = tm.time; + tv.tv_usec = tm.millitm * 1000; + +# else FILETIME ft; unsigned __int64 tm; - #endif - - if (!tv) - { - errno = EINVAL; - return -1; - } - - #if defined(WIN32_WCE) || (_WIN32_WINNT < 0x0400) - _ftime (&tm); - - tv->tv_sec = tm.time; - tv->tv_usec = tm.millitm * 1000; - #else + GetSystemTimeAsFileTime (&ft); tm = (unsigned __int64)ft.dwHighDateTime << 32; tm |= ft.dwLowDateTime; tm /=10; tm -= 11644473600000000ULL; - - tv->tv_sec = (long) (tm / 1000000L); - tv->tv_usec = (long) (tm % 1000000L); - #endif - - - - return 0; -} -#endif -double xbt_os_time(void) { -#ifdef HAVE_GETTIMEOFDAY - struct timeval tv; + tv.tv_sec = (long) (tm / 1000000L); + tv.tv_usec = (long) (tm % 1000000L); +# endif /* windows version checker */ - gettimeofday(&tv, NULL); +#else /* not windows, no gettimeofday => poor resolution */ +return (double)(time(NULL)); +#endif /* HAVE_GETTIMEOFDAY? */ - return (double)(tv.tv_sec + tv.tv_usec / 1000000.0); -#else - /* Poor resolution */ - return (double)(time(NULL)); -#endif /* HAVE_GETTIMEOFDAY? */ +return (double)(tv.tv_sec + tv.tv_usec / 1000000.0); } void xbt_os_sleep(double sec) {